gnu++0x is definitely *not* the default

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66736 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 72d2b9c..c4145c0 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -441,7 +441,7 @@
                               "Upcoming ISO C++ 200x with amendments"),
                    clEnumValN(lang_gnucxx0x, "gnu++0x",
                               "Upcoming ISO C++ 200x with amendments and GNU "
-                              "extensions (default for C++)"),
+                              "extensions"),
                    clEnumValEnd));
 
 static llvm::cl::opt<bool>